Roger W. Marcus, M.D., PA
NPI 1003087636 · Medical Specialty Clinic/Center · Fallston, MD
Roger W. Marcus, M.D., PA is a Medical Specialty Clinic/Center organization in Fallston, MD (NPI 1003087636).
Provider details
- NPI number
- 1003087636
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Roger Marcus, President, Roger W. Marcus M.D. ,PA(410) 877-0271
- License
- D23646 (MD)
Specialties & taxonomies
Ambulatory Health Care Facilities
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-24
- Last updated
- 2013-11-08
Frequently asked questions
- What is Roger W. Marcus, M.D., PA's NPI number?
- Roger W. Marcus, M.D., PA's National Provider Identifier (NPI) is 1003087636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Roger W. Marcus, M.D., PA?
- Roger W. Marcus, M.D., PA is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Roger W. Marcus, M.D., PA located?
- Roger W. Marcus, M.D., PA's practice location on file with NPPES is 1814 Bel Air Rd, Fallston, MD 21047-2734.
- What is Roger W. Marcus, M.D., PA's phone number?
- The practice phone number listed in the NPPES registry for Roger W. Marcus, M.D., PA is (410) 877-0271.
- Who is the authorized official for Roger W. Marcus, M.D., PA?
- The authorized official listed on Roger W. Marcus, M.D., PA's NPPES record is Roger Marcus, President, Roger W. Marcus M.D. ,PA. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Roger W. Marcus, M.D., PA's NPI active?
- Yes — Roger W. Marcus, M.D., PA's NPI (1003087636) is active in the NPPES registry as of the last update on 2013-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.